What began about 1000 BC?

Around 1000 BC, significant developments began in various regions of the world, including the rise of the Iron Age in several cultures, marked by the widespread use of iron tools and weapons. This period also saw the establishment of early empires and city-states, particularly in the Near East, such as the Kingdom of Israel and the Assyrian Empire. Additionally, in places like China, the Zhou Dynasty began to consolidate power, leading to significant cultural and philosophical advancements.